Bump version

Bump version

Release v0.0.12

1. Target back to P
2. Remove debug keystore
3. Update build environment

Release v0.0.11

FIX: Adapt to Android Q Beta 1

Release v0.0.10

FIX: One crash
FIX: Quoted text

Release v0.0.9

NEW: Quote copied text
OPT: Share copied rich text (web page, etc.)
FIX: Minor bugs

Release v0.0.8

Forget to change version code

Release v0.0.7

OPT: New notification status icon
FIX: Minor bugs

Release v0.0.6

ADD: Open URL if detected from copied text
FIX: Service not started after new version installed
OPT: Adapt Android P

Release v0.0.5

ADD: Support Heads-up notification
MIS: Upgrade dev env