Docs: Add link and suggested change to Go installation (#281)

1. A hyperlink to Go installation is added to 3 md files (gitsign.md,
logging/installation.md, system_config/installation.md)

2. Fix Typo in logging/installation.md

Resolves : #136

Signed-off-by: nikhilkalburgi <[email protected]>

Author: nikhilkalburgi

content/en/logging/installation.md

@@ -7,9 +7,9 @@ weight: 1805
 
 There are several ways to install both the `rekor-cli` and `rekor-server`.
 
-## Using go install
+## Using Go install
 
-If you have Go installed, you can use go to retreive the `rekor-cli` binaries
+If you have [Go](https://go.dev/doc/install) installed, you can use Go to retrieve the `rekor-cli` binaries
 
 ```bash
 go install -v github.com/sigstore/rekor/cmd/rekor-cli@latest

content/en/signing/gitsign.md

@@ -62,7 +62,7 @@ with one of the available downloadable packages. Releases are published in
 
 ### Installing Gitsign with Go 1.17+
 
-If you have Go 1.17+, you can install Gitsign with:
+If you have [Go 1.17+](https://go.dev/doc/install), you can install Gitsign with:
 
 ```console
 go install github.com/sigstore/gitsign@latest

content/en/system_config/installation.md

@@ -7,7 +7,7 @@ weight: 950
 
 ## With Go 1.20+
 
-If you have Go 1.20+, you can directly install Cosign by running:
+If you have [Go 1.20+](https://go.dev/doc/install), you can directly install Cosign by running:
 
 ```bash
 go install github.com/sigstore/cosign/v2/cmd/cosign@latest