added language specific syntax highlighting
added language specific syntax highlighting

jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox,jdinhify/vscode-theme-gruvbox