Setup restic backup service; enable postgresql for general use

secrets/restic/env.age

@@ -0,0 +1,10 @@
+age-encryption.org/v1
+-> ssh-ed25519 dQ70Fw hMZ1BRCxnZFhadsHa+UwDcB+kkVWbTh82EuqNJPZ5zs
+ESCOn4IDH8L69yNmE3vl9ORK0vKkIqG6dFTnawc9irg
+-> ssh-ed25519 ZIoeGg yluZnRqV6HL0TNvFqZCEIYW4W8f6f9EJ3K7nAz/dazE
+XpYM/h/jvO1MrS6v1PicZ4sTqCld84vhvXTI6AimnMU
+--- nLun26t45i7mAuT4w6JH3jbdPU8hjzINsHriqRA/T0o
+S<EFBFBD><11>9<EFBFBD><39>n<EFBFBD><1E>z<EFBFBD><7A><1F>u83<38><33>6#L<>[25<32>
+)<29><>{z(h<>ů<EFBFBD><C5AF><EFBFBD>'.$<24><>ދP<DE8B>Og<4F>]<5D><>=<0B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><10><13><>><3E><>y)<29><>]<5D>04<30>ē/<2F><02><><EFBFBD><EFBFBD>IW4<57><34>
`R<><52><06>6a<7F>	B<><42><EFBFBD>8[~ʂo<CA82><6F><EFBFBD><EFBFBD><0B>m<EFBFBD>ͫ<EFBFBD>}<7D> ~<7E>aЫ@<40>Sʸ<53><CAB8><EFBFBD>ʈ<0C><><11>i<EFBFBD><69>sc,<2C>
+<EFBFBD><EFBFBD><EFBFBD>^<5E>G]|<7C><>N4<4E><34>-Ѫ<><D1AA>)Gb<47><62><EFBFBD>õ:<3A><><EFBFBD>0I<30><49>g<EFBFBD>G<1D><>\"<22>
+<EFBFBD>f

secrets/restic/password.age

@@ -0,0 +1,7 @@
+age-encryption.org/v1
+-> ssh-ed25519 dQ70Fw SztmSLi86IFvNJY13Pu7qJC8LDXeoEZsbCLl78su6wg
+f/uDl6KymRxVngdnhEYOxiL9I0JUZCYI3XThrn57+YQ
+-> ssh-ed25519 ZIoeGg wzOmbThAqyO47PQ2wQY0MoNsXcyMkoi4/+wGY15Xfns
+UvMwHPWytwvf0hNMiDKdONo1u09pICQ6/7EtECYDWbw
+--- IS6+hxeJQ3yIphn7Q0XxZvO2Zn+F1bX7oIgkZSkCQHU
+<06><><0B><18><>\\w"<22><><EFBFBD><EFBFBD>Tp;<3B><>G<EFBFBD>e<EFBFBD><65><EFBFBD><EFBFBD><EFBFBD>=D<>f<EFBFBD>Y<EFBFBD>n<EFBFBD><6E>x<EFBFBD><K`<60><><EFBFBD>