fix error and add note in inst week1

docs/Instruction/week01.md

@@ -87,11 +87,13 @@ Tue|?|Regional Review(Asia)|?||
 
 ### Install (macOS)
 ```
-% git -version
+% git --version
 git version 2.24.3 (Apple Git-128)
 
-% brew -v
+% brew --version
 Homebrew 3.3.9
+//% brew -v
+
 
 // If no git and homebrew
 // Install Homebrew from https://brew.sh/
@@ -131,7 +133,7 @@ id_rsa		id_rsa.pub
 % ssh-keygen
 Generating public/private rsa key pair.
 Enter file in which to save the key (/Users/yuichi/.ssh/id_rsa):
-// syntax % ssh-keygen -t rsa -f keyname -C "comment"
+// syntax % ssh-keygen -t rsa -f id_rsa -C "comment"
 
 
 % cd ~
@@ -145,8 +147,22 @@ ssh-rsa AAA....this_is_your_public_key....@.local
 ```
 GitLab > your icon(right up) > Edit profile > SSH Keys(left) > command + v to paste public key
 
+!!! notes
+    If you want to make more secured ED25519 format key pair  
+
+    % cd ~/.ssh  
+    % ssh-keygen -t ed25519 -C "your@email"  
+    % ls  
+    id_ed25519    id_ed25519.pub    
+
+    Ref. https://docs.gitlab.com/ee/ssh/index.html  
+
+
 ### Local repository
 ```
+% ssh -T git@gitlab.fabcloud.org
+Welcome to GitLab, @your_name!
+
 % cd ~
 % mkdir repos
 % cd repos
@@ -191,6 +207,14 @@ Control +C
 Open in Browser
 [http://127.0.0.1:8000](http://127.0.0.1:8000)
 
+!!! notes
+    You may need to install mkdocs separately
+
+    % brew install mkdocs  
+    % pip install -r requirements.txt  
+
+
+
 ### Editter
 #### ATOM
 
@@ -211,7 +235,7 @@ Open in Browser
 // save
 
 % cd ~/repos/student_site
-% ls -ls
+% ls -la
 .git
 % git status
 % git add .