docs: add help text for CLI commands and descriptions

Add help text for global flags, commands, and subcommands in
help.txt. Add metadata descriptions for linter and metadata
commands.

1 files changed, 27 insertions, 0 deletions

diff --git a/mingling_cli/help/help.txt b/mingling_cli/help/help.txt
index 85a4fb7..d5073e6 100644
--- a/mingling_cli/help/help.txt
+++ b/mingling_cli/help/help.txt
@@ -1,3 +1,30 @@
 USAGE: mling [GLOBAL_FLAGS] [COMMAND] [ARGS...]
 
 GLOBAL_FLAGS:
+      --all-features              Enable all features
+      --features <FEATURES>       List of features to enable
+  -h, --help                      Show help messages
+      --manifest-path <PATH>      Custom path to Cargo.toml
+      --message-format <FORMAT>   Output message format
+      --no-default-features       Disable default features
+      --no-deps                   Do not include dependencies in metadata
+
+COMMANDS:
+  metadata                        Check your workspace metadata using 'cargo metadata'
+
+  LINTER:
+   lint                           Mingling Linter
+   ra-lint                        Run `mling lint` and output the results
+   ra-lint-check                  Run `mling lint` and `cargo check`, and output the combined results
+   ra-lint-clippy                 Run `mling lint` and `cargo clippy`, and output the combined results
+   explain <LINT>                 [NOT_IMPL] Explain the meaning of the specified Lint
+
+  PROJECT MANAGE:
+   proj-new <NAME>                [NOT_IMPL] Create a project
+   proj-init                      [NOT_IMPL] Initialize a project
+
+  PACKAGE MANAGE:
+   install                        [NOT_IMPL] Install the project to the Mingling package list
+   package-show                   [NOT_IMPL] Show locally installed packages
+   package-enable <NAME>          [NOT_IMPL] Enable the specified package
+   package-disable <NAME>         [NOT_IMPL] Disable the specified package