doc: git → contribute/git

wiki/src/todo/persistence.mdwn

@@ -158,7 +158,7 @@ This work can be split into two parts:
    [[tails-greeter|todo/TailsGreeter]] [[todo/boot_menu]], factoring
    bits out of `live-boot` and making these support being run at a
    later time of the boot process is crucial.
-   Along the way our development [[git branches|git]] can be used both as a
+   Along the way our development [[git branches|contribute/git]] can be used both as a
    testbed for our changes, and as a show-room displaying progress on
    this front.
 

wiki/src/todo/smem_progress_report.mdwn

@@ -10,7 +10,7 @@ the system to erase memory.
 >> order to provide the needed progress bar.
 
 >>> See commit 9f54b7dfe9 in amnesia's [[live-initramfs
->>> repo|git]]. Not tagging done yet as this has neither been merged into
+>>> repo|contribute/git]]. Not tagging done yet as this has neither been merged into
 >>> our master branch yet, nor been integrated into our main repo as
 >>> a custom `.deb`.
 >>>