convert tabs to spaces

Author: elnappo

README.md

@@ -15,13 +15,13 @@ Set up a secure config for OpenSSH Server >= 6.5. This playbook extends your ssh
 ```
 Host *
     HashKnownHosts yes
-	PasswordAuthentication no
-	PubkeyAuthentication yes
-	ChallengeResponseAuthentication no
+    PasswordAuthentication no
+    PubkeyAuthentication yes
+    ChallengeResponseAuthentication no
     HostKeyAlgorithms [email protected],[email protected],ssh-ed25519,ssh-rsa,[email protected],[email protected],[email protected],ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256
-	KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256
-	Ciphers [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
-	MACs [email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected]
+    KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256
+    Ciphers [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
+    MACs [email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected]
 ```
 
 alias for legacy connections: `alias ssh_ignore="ssh -F /dev/null"`