Remove Trailing Spaces from Docker Docs (#1578)

Remove trailing spaces as it causes issues with multi-line commands

docs/DOCKER.md

@@ -3,15 +3,15 @@
 ## Launch a primary instance
 
 ```
-docker run --name some-sqld -p 8080:8080 -ti \ 
+docker run --name some-sqld -p 8080:8080 -ti \
     -e SQLD_NODE=primary \
     ghcr.io/tursodatabase/libsql-server:latest
 ```
 
 ## Launch a replica instance
 
 ```
-docker run --name some-sqld-replica -p 8081:8080 -ti 
+docker run --name some-sqld-replica -p 8081:8080 -ti
     -e SQLD_NODE=replica \
     -e SQLD_PRIMARY_URL=https://<host>:<port> \
     ghcr.io/tursodatabase/libsql-server:lastest
@@ -20,7 +20,7 @@ docker run --name some-sqld-replica -p 8081:8080 -ti
 ## Running on Apple Silicon
 
 ```
-docker run --name some-sqld  -p 8080:8080 -ti \ 
+docker run --name some-sqld  -p 8080:8080 -ti \
     -e SQLD_NODE=primary \
     --platform linux/amd64 \
     ghcr.io/tursodatabase/libsql-server:latest
@@ -45,7 +45,7 @@ mount on your local disk.
 ```
 docker run --name some-sqld -ti \
     -v ./.data/libsql \
-    -e SQLD_NODE=primary \ 
+    -e SQLD_NODE=primary \
     ghcr.io/tursodatabase/libsql-server:latest
 ```