Update v0.12.0 changelog and add template v0.13.0

Author: WilliamHPNielsen

docs/changes/0.12.0.rst

@@ -1,6 +1,6 @@
-Changelog for QCoDeS 0.12.0 (not released yet)
+Changelog for QCoDeS 0.12.0
 
-The March 2020 release of QCoDeS (not released yet)
+The March 2020 release of QCoDeS
 
 Breaking Changes:
 _________________
@@ -11,14 +11,15 @@ _________________
 New Instrument drivers:
 _______________________
 
-* .
+* Keithley 3706A High Performance DMM/Switch System. (#1884)
+* QDevil QDAC High Precision Voltage Generator. (#1613)
 
 
 Improved drivers:
 _________________
 
-* .
-
+* Yokogawa GS200 no longer throws snapshot exception during initialization. (#1930)
+* Keysight 34465A DMM now returns ±`numpy.inf` for out-of-range values and not `9e±37`. (#1929)
 
 Improved:
 _________
@@ -29,22 +30,16 @@ _________
 Documentation:
 ______________
 
-* .
+No documentation updates in this release.
 
 
 Deprecations:
 _____________
 
-* .
+Nothing deprecated :)
 
 
 Under the hood:
 _______________
 
-* .
-
-
-Recommended Dependencies:
-_________________________
-
-* .
+* The database version is now 9. An index was added for the `captured_run_id`. (#1925)

docs/changes/0.13.0.rst

@@ -0,0 +1,49 @@
+Changelog for QCoDeS 0.13.0 (Not released yet)
+
+The April 2020 release of QCoDeS (Not released yet)
+
+Breaking Changes:
+_________________
+
+* .
+
+
+New Instrument drivers:
+_______________________
+
+* .
+
+
+Improved drivers:
+_________________
+
+* .
+
+Improved:
+_________
+
+* .
+
+
+Documentation:
+______________
+
+* .
+
+
+Deprecations:
+_____________
+
+* .
+
+
+Under the hood:
+_______________
+
+* .
+
+
+Recommended dependencies:
+_________________________
+
+* .

docs/changes/index.rst

@@ -27,3 +27,4 @@ Changelogs
    0.10.0 <0.10.0>
    0.11.0 <0.11.0>
    0.12.0 <0.12.0>
+   0.13.0 <0.13.0>