Update the readme, and (internally) fix some export processes to better keep it up-to-date going forward.

PiperOrigin-RevId: 475272267
Change-Id: I3adfabc436c539b57a488aec4ff8760c6ed19447

README.md

@@ -46,14 +46,13 @@ the Abseil code, running tests, and getting a simple binary working.
 
 [Bazel](https://bazel.build) and [CMake](https://cmake.org/) are the official
 build systems for Abseil.
-
 See the [quickstart](https://abseil.io/docs/cpp/quickstart) for more information
 on building Abseil using the Bazel build system.
-
 If you require CMake support, please check the [CMake build
 instructions](CMake/README.md) and [CMake
 Quickstart](https://abseil.io/docs/cpp/quickstart-cmake).
 
+<a name="support"></a>
 ## Support
 
 Abseil follows Google's [Foundational C++ Support
@@ -63,11 +62,12 @@ table](https://github.com/google/oss-policies-info/blob/main/foundational-cxx-su
 for a list of currently supported versions compilers, platforms, and build
 tools.
 
+<a name="codemap"></a>
 ## Codemap
 
 Abseil contains the following C++ library components:
 
-* [`base`](absl/base/) Abseil Fundamentals
+* [`base`](absl/base/)
   <br /> The `base` library contains initialization code and other code which
   all other Abseil code depends on. Code within `base` may not depend on any
   other code (other than the C++ standard library).
@@ -83,12 +83,22 @@ Abseil contains the following C++ library components:
 * [`debugging`](absl/debugging/)
   <br /> The `debugging` library contains code useful for enabling leak
   checks, and stacktrace and symbolization utilities.
+* [`flags`](absl/flags/)
+  <br /> The `flags` library contains code for handling command line flags for
+  libraries and binaries built with Abseil.
 * [`hash`](absl/hash/)
   <br /> The `hash` library contains the hashing framework and default hash
   functor implementations for hashable types in Abseil.
+* [`iterator`](absl/iterator/)
+  <br /> The `iterator` library contains utilities for augmenting ranges in
+  range-based for loops.
+* [`log`](absl/log/)
+  <br /> The `log` library contains `LOG` and `CHECK` macros and facilities
+  for writing logged messages out to disk, `stderr`, or user-extensible
+  destinations.
 * [`memory`](absl/memory/)
-  <br /> The `memory` library contains memory management facilities that
-  augment C++'s `<memory>` library.
+  <br /> The `memory` library contains memory management facilities that augment
+  C++'s `<memory>` library.
 * [`meta`](absl/meta/)
   <br /> The `meta` library contains compatible versions of type checks
   available within C++14 and C++17 versions of the C++ `<type_traits>` library.
@@ -98,9 +108,12 @@ Abseil contains the following C++ library components:
 * [`profiling`](absl/profiling/)
   <br /> The `profiling` library contains utility code for profiling C++
   entities.  It is currently a private dependency of other Abseil libraries.
+* [`random`](absl/random/)
+  <br /> The `random` library contains functions for generating psuedorandom
+  values.
 * [`status`](absl/status/)
-  <br /> The `status` contains abstractions for error handling, specifically
-  `absl::Status` and `absl::StatusOr<T>`.
+  <br /> The `status` library contains abstractions for error handling,
+  specifically `absl::Status` and `absl::StatusOr<T>`.
 * [`strings`](absl/strings/)
   <br /> The `strings` library contains a variety of strings routines and
   utilities, including a C++14-compatible version of the C++17
@@ -119,6 +132,7 @@ Abseil contains the following C++ library components:
 * [`utility`](absl/utility/)
   <br /> The `utility` library contains utility and helper code.
 
+<a name="releases"></a>
 ## Releases
 
 Abseil recommends users "live-at-head" (update to the latest commit from the
@@ -128,11 +142,13 @@ Releases](https://github.com/abseil/abseil-cpp/releases) to which we backport
 fixes for severe bugs. See our [release
 management](https://abseil.io/about/releases) document for more details.
 
+<a name="license"></a>
 ## License
 
 The Abseil C++ library is licensed under the terms of the Apache
 license. See [LICENSE](LICENSE) for more information.
 
+<a name="links"></a>
 ## Links
 
 For more information about Abseil: