chore: rename to bzlcmd + readme update (#5)

MODULE.bazel

@@ -1,5 +1,5 @@
 module(
-    name = "bzlreg",
+    name = "bzlcmd",
     version = "0.1.0",
     compatibility_level = 1,
 )

README.md

@@ -1,5 +1,37 @@
-# bazel registry command line tool
+# bzlcmd - CLI tools for bazel projects
 
-Simple command line tool for managing a bazel registry.
+## bzlmod
 
-WORK IN PROGRESS
+Create a simple `MODULE.bazel` file and some other bazel files to get you started.
+
+```sh
+bzlmod init
+```
+
+Add a dependency to your bazel module file with ease! Correctly checks third party dependencies configured in your `.bazelrc` files as well.
+
+```sh
+bzlmod add rules_cc
+```
+
+`MODULE.bazel` after command:
+
+```diff
+module(name = "my_cool_module")
+
++bazel_dep(name = "rules_cc", version = "0.0.8")
+```
+
+## bzlreg
+
+Create file and folder structure required for a [bazel registry](https://bazel.build/external/registry).
+
+```sh
+bzlreg init
+```
+
+Add a bazel module from it's archive to the registry.
+
+```
+bzlreg add-module http://example.com/some/targz/archive.tar.gz
+```