update README

README.md

@@ -1,12 +1,14 @@
 # gchimp
 
-A collection of various GoldSrc mapping tools with proper graphical interface
+A collection of various GoldSrc mapping tools with both graphical and command line interface
 
 ![default](./docs/screenshot_s2g_populated.png)
 
 ## Installation
 
-Check wiki page (TBA)
+Head to [Release](https://github.com/khanghugo/gchimp/releases) page to download the app or latest [Actions](https://github.com/khanghugo/gchimp/actions) commits.
+
+Usually it would just work out of the box. If there is any problem, try starting the binary through terminal and you will see the program output to better diagnose the issue.
 
 ## Features
 
@@ -16,13 +18,23 @@ Source to GoldSrc models converter. Supports folder conversion.
 
 ### SkyMod
 
-Creates skybox as a model. Supports texture size bigger than the typical 512x512
+Creates skybox as a model. Supports texture size bigger than the typical 512x512.
+
+### Command line interface
+
+Some functionalities have command line as well as graphical supports. There is also .rhai scripting for a selected few functionalities.
+
+### QC, SMD, MAP
+
+You can write your own functionalities with these included libraries.
 
 ### Planned features
 
-- [ ] A Wally replacement
+- [ ] A functional enough Wally to edit WAD files 
 - [ ] [map2prop](https://erty-gamedev.github.io/Docs-Map2Prop/) clone that hopefully goes open source before the original project
 
 ## Build
 
 After building the project, put `config.toml` from `dist` folder into the same folder as the binary `gchimp`
+
+Then, download [no_vtf](https://sr.ht/~b5327157/no_vtf/) and put the `no_vtf` folder inside `dist`