add basic docs

Signed-off-by: anima <p.schreiner@4nima.de>

README.md

@@ -1,3 +1,66 @@
-# api-pihole
+# API Wrapper: Pi-hole
+>A basic API wrapper for Pi-hole
 
-API wrapper for pihole
+## Functions
+### Custom DNS
+Read, add or delete a custom dns entry (no cname's!)
+```python
+get_custom_dns()
+add_custom_dns(domain, ip)
+del_custom_dns(domain, ip)
+```
+
+### Custom CNAMES
+Same as Custom DNS but for CNAMES only.
+```python
+get_custom_cname()
+add_custom_cname(domain, target)
+del_custom_cname(domain, target)
+```
+
+### Filter Lists
+Read, add or delete a filter list.  
+Availible lists: 
+- white
+- black
+- regex_white
+- regex_black
+
+*white and black only match exact machtes!*
+
+```python
+get_list(list, entry)
+""" aliases """ 
+get_whitelist(entry)
+get_regex_whitelist(entry)
+get_blacklist(entry)
+get_regex_blacklist(entry)
+
+add_to_list(list, entry)
+""" aliases """ 
+add_to_whitelist(entry)
+add_to_regex_whitelist(entry)
+add_to_blacklist(entry)
+add_to_regex_blacklist(entry)
+
+del_from_list(list, entry)
+""" aliases """ 
+del_from_whitelist(entry)
+del_from_regex_whitelist(entry)
+del_from_blacklist(entry)
+del_from_regex_blacklist(entry)
+```
+
+### Misc
+Misc functions for:
+- enable / disable filter
+- get / check update status
+- set temp unit from cpu
+
+```python
+enable()
+disable()
+get_version()
+check_updates()
+set_tmp_unit(unit)
+```