add LibreOffice 7.0.4 (#6879)

manifests/LibreOffice/LibreOffice/7.0.4.yaml

@@ -0,0 +1,22 @@
+# ================== General ==================
+Id: LibreOffice.LibreOffice
+Publisher: The Document Foundation
+Name: LibreOffice
+Description: LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. 
+AppMoniker: libreoffice
+Tags: libreoffice,odf,openoffice,word,excel,powerpoint,ppt,access
+FileExtensions: oth,odt,ott,doc,docx,wps,htm,html,xhtml,ods,ots,xlsx,xls,xlsb,csv,odp,otp,ppt,pptx,pps,ppsx,odg,otg,svg,odb,sxm,mml
+
+# ================= License ==================
+Homepage: https://www.libreoffice.org/
+License: Mozilla Public License Version 2.0
+LicenseUrl: https://www.libreoffice.org/about-us/licenses
+
+# ================= Installer =================
+Version: 7.0.4
+
+InstallerType: msi
+Installers:
+  - Arch: x64
+    Url: https://download.documentfoundation.org/libreoffice/stable/7.0.4/win/x86_64/LibreOffice_7.0.4_Win_x64.msi
+    Sha256: 37A36B570A599B9C1E377B7C709155DD566A5EB1E8E857CA139B824D3A12E55B