README formatting

Signed-off-by: Knut Ahlers <knut@ahlers.me>

README.md

@@ -11,41 +11,41 @@
 
 - `{{ .<variable name> }}`  
   Take key-value pairs from the CLI and replace them inside the template
-  ```bash
-  # echo "{{ .foo }}" | korvike -v foo=bar
+  ```console
+  $ echo "{{ .foo }}" | korvike -v foo=bar
   bar
   ```
 - `{{ b64encode <string> }}`  
   Encodes the string with base64 [StdEncoding](https://golang.org/pkg/encoding/base64/#pkg-variables)
   ```console
-  # echo '{{ b64encode "Hello World" }}' | korvike
+  $ echo '{{ b64encode "Hello World" }}' | korvike
   SGVsbG8gV29ybGQ=
   ```
 - `{{ env <variable name> [default value] }}`  
   Read environment variables and replace them inside the template
-  ```bash
-  # export FOO=bar
-  # echo '{{env "FOO"}}' | korvike
+  ```console
+  $ export FOO=bar
+  $ echo '{{ env "FOO" }}' | korvike
   bar
   ```
 - `{{ file <file name> [default value] }}`  
   Read a file and place it inside the template
-  ```bash
-  # echo "Hello World" > hello
-  # echo '{{file "hello"}}' | korvike
+  ```console
+  $ echo "Hello World" > hello
+  $ echo '{{ file "hello" }}' | korvike
   Hello World
   ```
 - `{{ now <format string> }}`  
   Format the current date into the template (uses [Go time format](https://golang.org/pkg/time/#Time.Format))
-  ```bash
-  # echo '{{now "2006-01-02 15:04:05"}}' | korvike
+  ```console
+  $ echo '{{ now "2006-01-02 15:04:05" }}' | korvike
   2017-04-17 16:27:34
   ```
 - `{{ vault <path> <key> [default value] }}`  
   Read a key from Vault using `VAULT_ADDR` and `VAULT_TOKEN` environment variables (or `~/.vault-token` file) for authentication.
-  ```bash
-  # vault write secret/test foo=bar
-  # echo '{{vault "secret/test" "foo"}}' | korvike
+  ```console
+  $ vault write secret/test foo=bar
+  $ echo '{{ vault "secret/test" "foo" }}' | korvike
   bar
   ```