Add new host entry and update Samba configuration

- Added 'file-km-alt.anw-km.netz' to the hosts file in multiple locations.
- Updated Samba configuration to change the maximum file size for virus filtering from 25 MB to 15 MB, with commented-out options for 50 MB and 25 MB.
- Created a new host variable file for 'file-km-alt.anw-km.netz' with detailed network interface and Samba share configurations, including user definitions and permissions.

hosts

@@ -77,6 +77,7 @@ file-ebs.ebs.netz
 file-fm.fm.netz
 file-fhxb.fhxb.netz
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 file-blkr.blkr.netz
@@ -567,6 +568,7 @@ gw-irights.oopen.de
 # - Kanzlei Berenice
 gw-km.oopen.de
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 
@@ -1450,6 +1452,7 @@ file-ebs.ebs.netz
 file-fm.fm.netz
 file-fhxb.fhxb.netz
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 file-blkr.blkr.netz
@@ -1586,6 +1589,7 @@ file-ah.kanzlei-kiel.netz
 file-ah-neu.kanzlei-kiel.netz
 file-ah-alt.kanzlei-kiel.netz
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 file-blkr.blkr.netz
@@ -1758,6 +1762,7 @@ file-ebs.ebs.netz
 file-fm.fm.netz
 file-fhxb.fhxb.netz
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 file-blkr.blkr.netz
@@ -2010,6 +2015,7 @@ file-ebs.ebs.netz
 file-fm.fm.netz
 file-fhxb.fhxb.netz
 file-km.anw-km.netz
+file-km-alt.anw-km.netz
 file-km-neu.anw-km.netz
 file-kb.anw-kb.netz
 file-blkr.blkr.netz