Update Manual Install Instructions

Author: aditya-K2

README.md

@@ -39,6 +39,8 @@ yay -S gomp-git
 - Install `go` and `git` through your package manager and then
 
 ```bash
-git clone https://github.com/aditya-K2/gomp && cd gomp && GOFLAGS="-buildmode=pie -trimpath -mod=readonly -modcacherw" go build -v && sudo install -D gomp -t "/usr/bin/"
+$ git clone https://github.com/aditya-K2/gomp
+$ cd gomp
+$ sudo make install
 ```
 ---