.pytool/Plugin: Add CI plugins

https://bugzilla.tianocore.org/show_bug.cgi?id=2315

Add .pytool directory to the edk2 repository with the
following plugins.  These plugins are in a top level
directory because that can be used with all packages
and platforms.

* CharEncodingCheck
* CompilerPlugin
* DependencyCheck
* DscCompleteCheck
* GuidCheck
* LibraryClassCheck
* SpellCheck

Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

.pytool/Plugin/SpellCheck/cspell.base.yaml

@@ -0,0 +1,165 @@
+## @file
+# CSpell configuration
+#
+# Copyright (c) Microsoft Corporation
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+{
+    "version": "0.1",
+    "language": "en",
+    "dictionaries": [
+        "companies ",
+        "softwareTerms",
+        "python",
+        "cpp"
+    ],
+    "ignorePaths": [
+        "*.pdb",
+        "**/*_extdep/**",
+        "*.pdf",
+        "*.exe",
+        "*.jpg"
+    ],
+    "minWordLength": 5,
+    "allowCompoundWords": false,
+    "ignoreWords": [
+        "muchange"
+    ],
+    "words": [
+        "MTRRs",
+        "Microarchitecture",
+        "Goldmont",
+        "cpuid",
+        "mwait",
+        "cstate",
+        "smram",
+        "scrtm",
+        "smbus",
+        "selftest",
+        "socket",
+        "MMRAM",
+        "qword",
+        "ENDBR",
+        "SMBASE",
+        "FXSAVE",
+        "FXRSTOR",
+        "RDRAND",
+        "IOAPIC",
+        "ATAPI",
+        "movsb",
+        "iretw",
+        "XENSTORE",
+        "cdrom",
+        "oprom",
+        "oproms",
+        "varstore",
+        "EKU",
+        "ascii",
+        "nmake",
+        "NVDIMM",
+        "nasmb",
+        "Mtftp",
+        "Hypercall",
+        "hypercalls",
+        "IOMMU",
+        "QEMU",
+        "qemus",
+        "OVMF",
+        "tiano",
+        "tianocore",
+        "edkii",
+        "coreboot",
+        "uefipayload",
+        "bootloader",
+        "bootloaders",
+        "mdepkg",
+        "skuid",
+        "dxefv",
+        "toolchain",
+        "libraryclass",
+        "preboot",
+        "pythonpath",
+        "cygpath",
+        "nuget",
+        "basetools",
+        "prepi",
+        "OPTEE",
+        "stringid",
+        "peims",
+        "memmap",
+        "guids",
+        "uuids",
+        "smbios",
+        "certdb",
+        "certdbv",
+        "EfiSigList",
+        "depex",
+        "IHANDLE",
+        "Virtio",
+        "Mbytes",
+        "Citrix",
+        "initrd",
+        "semihost",
+        "Semihosting",
+        "Trustzone",
+        "Fastboot",
+        "framebuffer",
+        "genfw",
+        "TTYTERM",
+        "miniport",
+        "LFENCE",
+        "PCANSI",
+        "submodule",
+        "submodules",
+        "brotli",
+        "PCCTS",
+        "softfloat",
+        "whitepaper",
+        "ACPICA",
+        "plugfest",
+        "bringup",
+        "formset", #VFR
+        "ideqvallist",
+        "numberof",
+        "oneof",
+        "endformset",
+        "endnumeric",
+        "endoneof",
+        "disableif",
+        "guidid",
+        "classguid",
+        "efivarstore",
+        "formsetguid",
+        "formid",
+        "suppressif",
+        "grayoutif",
+        "ideqval",
+        "endform",
+        "endcheckbox",
+        "questionid",
+        "questionref",
+        "enddate",
+        "endstring",
+        "guidop",
+        "endguidop",
+        "langdef",
+        "dynamicex",
+        "tokenspace",
+        "tokenguid",
+        "pcd's", #seems like cspell bug
+        "peim's",
+        "autogen",
+        "Disasm",
+        "Torito",
+        "SRIOV",
+        "MRIOV",
+        "UARTs",
+        "Consplitter", # common module in UEFI
+        "FIFOs",
+        "ACPINVS",
+        "Endof",  # due to of not being uppercase
+        "bootability",
+        "Sdhci",
+        "inmodule",
+    ]
+}