fix datetime and readme

config

@@ -7,15 +7,18 @@ interval=5
 
 [backlight]
 # label=backlight
-label=
+label=☼
+# label=☀,☼,✱,✲,✳,✴,✵,✺
 
 [storage]
 # label=storage
-label=
+label=⛁
+# label=⛀,⛁,⛂,⛃
 
 # if you want to display ram and swap seperately, you can assign another [ram] module
 # with instance=ram or instance=swap
 [ram]
+label=⚟
 # label=ram
 # instance=ram
 # [ram]
@@ -24,11 +27,12 @@ label=
 # separator_block_width=0
 
 [cpu]
+label=☷
 # label=cpu
 
 [ip]
 # label=ip
-label=
+label=⎋
 interval=once
 
 # if you have more than one batteries attached to your device and ou like
@@ -37,16 +41,28 @@ interval=once
 [battery]
 # label=battery
 # label=⚡
+# ▁▂▃▄▅▆▇█
+# █
+# ▉
+# ▊
+# ▋
+# ▌
+# ▍⎋
+# ▎⌨
+# ▏⟠, ⟰, ⟱, ⟲, ⟳, ⤋, ⤊, 
 # [battery]
 # instance=1
 # separator_block_width=0
 
 [audio]
 # label=audio
-label=♪
+label=◍
+# label=♩,♪,♫,♬
 separator_block_width=0
 [audio]
 # label=mic
+label=◎
+#label=⋓ℹ⋒ⅈ
 instance=mic
 
 [datetime]