Mark :wq as very important

Containerfile

@@ -1,4 +0,0 @@
-FROM docker.io/library/nginx:alpine
-EXPOSE 80
-COPY ./nginx.conf /etc/nginx/nginx.conf
-COPY ./book/ /usr/share/nginx/html/

nginx.conf

@@ -1,36 +0,0 @@
-user nginx;
-worker_processes auto;
-
-error_log /var/log/nginx/error.log error;
-
-events {
-	worker_connections 1024;
-}
-
-http {
-	charset utf-8;
-
-	access_log off;
-	log_not_found off;
-
-	sendfile on;
-	tcp_nopush on;
-	tcp_nodelay on;
-
-	gzip on;
-
-	server_tokens off;
-
-	include /etc/nginx/mime.types;
-	default_type application/octet-stream;
-
-	server {
-		root /usr/share/nginx/html;
-		index index.html;
-
-		location / {
-		}
-
-		error_page 404 /404.html;
-	}
-}

src/day_4/advanced_terminal_editors.md

@@ -17,6 +17,7 @@ Each mode has its keybindings.
 When you just enter Vim, then you are in the **normal mode** which has the following most important keybindings:
 
 - `:q`: Quit (**very important!**)
+- `:wq`: Write buffer (save) and exit (**very important!**)
 - `:q!`: Quit without saving (**very important!**)
 - `j`: Down
 - `k`: Up
@@ -39,7 +40,6 @@ When you just enter Vim, then you are in the **normal mode** which has the follo
 - `Ctrl+r`: Redo
 - `:h`: Help
 - `:w`: Write buffer
-- `:wq`: Write buffer and exit
 - `/PATTERN`: Search
 - `n`: Next match
 - `N`: Previous match