diff --git a/README.md b/README.md
index f09e7c0..a304325 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,23 @@
-# lister
+# Lister
+
+*Simple definitions viewer*
+
+## Usage
+* Clone repository
+```
+git clone https://git.medvidek77.tech/Medvidek77/lister.git && cd lister/
+```
+
+* Compile from source
+```
+zig build
+```
+
+* Rename data.json.example to data.json
+```
+mv data.json.example data.json
+```
+
+* Edit or create new one data.json
+
 
-Simple definitions viewer
\ No newline at end of file
diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..ad275eb
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,18 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    //const optimize = b.standardOptimizeOption(.{});
+    const optimize = std.builtin.OptimizeMode.ReleaseSafe;
+
+    const exe = b.addExecutable(.{
+        .name = "lister",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    b.installArtifact(exe);
+}
+
+
diff --git a/build.zig.zon b/build.zig.zon
new file mode 100644
index 0000000..c476690
--- /dev/null
+++ b/build.zig.zon
@@ -0,0 +1,71 @@
+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = "lister",
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.1.0",
+
+    // This field is optional.
+    // This is currently advisory only; Zig does not yet do anything
+    // with this value.
+    //.minimum_zig_version = "0.11.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
+        //.example = .{
+        //    // When updating this field to a new URL, be sure to delete the corresponding
+        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
+        //    // the new URL.
+        //    .url = "https://example.com/foo.tar.gz",
+        //
+        //    // This is computed from the file contents of the directory of files that is
+        //    // obtained after fetching `url` and applying the inclusion rules given by
+        //    // `paths`.
+        //    //
+        //    // This field is the source of truth; packages do not come from a `url`; they
+        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
+        //    // obtain a package matching this `hash`.
+        //    //
+        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
+        //    .hash = "...",
+        //
+        //    // When this is provided, the package is found in a directory relative to the
+        //    // build root. In this case the package's hash is irrelevant and therefore not
+        //    // computed. This field and `url` are mutually exclusive.
+        //    .path = "foo",
+
+        //    // When this is set to `true`, a package is declared to be lazily
+        //    // fetched. This makes the dependency only get fetched if it is
+        //    // actually used.
+        //    .lazy = false,
+        //},
+    },
+
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package. Only files listed here will remain on disk
+    // when using the zig package manager. As a rule of thumb, one should list
+    // files required for compilation plus any license(s).
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        "LICENSE",
+        "README.md",
+    },
+}
diff --git a/src/data.json.example b/src/data.json.example
new file mode 100644
index 0000000..77eb0f3
--- /dev/null
+++ b/src/data.json.example
@@ -0,0 +1,11 @@
+[
+   {
+	"name": "OMG",
+	"desc": "Oh My God"
+   },
+
+   {
+        "name": "Prague",
+	"desc": "The capital city of Czech republic"
+   }
+]
diff --git a/src/main.zig b/src/main.zig
new file mode 100644
index 0000000..757b534
--- /dev/null
+++ b/src/main.zig
@@ -0,0 +1,28 @@
+const std = @import("std");
+
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const allocator = gpa.allocator();
+
+    const file = try std.fs.cwd().openFile("data.json", .{});
+    defer file.close();
+
+    const data = try file.reader().readAllAlloc(allocator, 32768);
+    defer allocator.free(data);
+
+    const Smth = struct {
+        name: []const u8,
+        desc: []const u8,
+    };
+
+    const Smths = []Smth;
+
+    const json = try std.json.parseFromSlice(Smths, allocator, data, .{});
+    defer json.deinit();
+
+    for (json.value) |smth| {
+        std.debug.print("{s} -> {s}\n", .{smth.name, smth.desc});
+    }
+}