add go lang, thunderbird, keepass2

apt/install.sh

@@ -2,4 +2,6 @@
 
 sudo apt update && sudo apt install -y \
 				vim \
-				httpie
+				httpie \
+				keepass2 \
+				thunderbird

langs/go.md

@@ -0,0 +1,19 @@
+# Go lang
+
+## Download
+[download](https://golang.org/dl/)
+
+## Extract
+```bash
+sudo tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz
+```
+
+## Export Path
+```bash
+sudo bash -c 'cat >>/etc/profile <<EOF
+export PATH=\$PATH:/usr/local/go/bin
+EOF'
+```
+
+## Reference
+[Getting Started - The Go Programming Language](https://golang.org/doc/install)